106 lines
2.3 KiB
C++
106 lines
2.3 KiB
C++
//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TWArchive.h
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// = Version : ver2.0
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// = Author : xlc
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// = CreateDate : 2002-09-09
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// = Description: 类的声明
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#ifndef _TWARCHIVE_H_
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#define _TWARCHIVE_H_
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//数据流
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class GEOAPI TWArchive
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{
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public:
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TWArchive();
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virtual ~TWArchive();
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//清空并初始化为初始状态
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virtual void Clear();
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//移动游标
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virtual void MoveTo(long i);
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//当前游标处读取数据，不移动游标
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virtual void Read(void *p, long size) = 0;
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//当前游标处写入数据，自动增长数据长度!不移动游标
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virtual void Write(void *p, long size) = 0;
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long GetLength()const;
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long GetCur()const;
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bool IsOut()const;
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//移动游标
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void MoveToFirst();
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void MoveToLast();
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void MoveOut();
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void MoveToNext(long step = 1);
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void MoveToPre(long step = 1);
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//当前游标位置读取，不移动游标
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void Read(char &val);
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void Read(bool &val);
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void Read(short &val);
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void Read(int &val);
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void Read(long &val);
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void Read(float &val);
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void Read(double &val);
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void Read(long double &val);
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//当前游标位置写，不移动游标
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void Write(char val);
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void Write(bool val);
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void Write(short val);
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void Write(int val);
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void Write(long val);
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void Write(float val);
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void Write(double val);
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void Write(long double val);
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//末尾添加并后移游标
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void Append(void *p,long size);
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TWArchive& operator << (char val);
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TWArchive& operator << (bool val);
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TWArchive& operator << (short val);
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TWArchive& operator << (int val);
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TWArchive& operator << (long val);
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TWArchive& operator << (float val);
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TWArchive& operator << (double val);
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TWArchive& operator << (long double val);
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//当前游标位置读数据并后移游标
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TWArchive& operator >> (char &val);
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TWArchive& operator >> (bool &val);
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TWArchive& operator >> (short &val);
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TWArchive& operator >> (int &val);
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TWArchive& operator >> (long &val);
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TWArchive& operator >> (float &val);
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TWArchive& operator >> (double &val);
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TWArchive& operator >> (long double &val);
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bool operator > (const TWArchive &ar)const;
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bool operator < (const TWArchive &ar)const;
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protected:
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//字节数
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long m_iLength;
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//游标,始终>=0!
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long m_iCur;
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};
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#endif |